Finding the Fourth Proportional to 1,479,544.11, 2,219,142.42 and 414,671.94
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Solution
The fourth proportional to 1,479,544.11, 2,219,142.42 and 414,671.94 is: 621,959.21
Step by Step Solution
- Step 1: Write the proportion equation
1,479,544.11 : 2,219,142.42 = 414,671.94 : x - Step 2: Convert to fraction form
1,479,544.11/2,219,142.42 = 414,671.94/x - Step 3: Cross multiply
1,479,544.11x = 2,219,142.42 × 414,671.94 - Step 4: Simplify right side
1,479,544.11x = 920,216,092,437.70 - Step 5: Solve for x
x = 920,216,092,437.70/1,479,544.11 - Step 6: Final answer
x = 621,959.21
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1.5x scale
Why These Related Problems?
These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.